J PREP Dojo

J PREP
Content rating
Everyone
500+
Downloads
Content rating
Everyone
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About this app

J PREP生のための総合英語学習アプリ。Writing/Vocab/Grammarが含まれます。
Updated on
Jun 12, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Photos and videos
This app may collect these data types
Device or other IDs
Data isn’t encrypted
Data can’t be deleted

What’s new

Minor adjustments and bug fixes for GrammarDojo.
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Content rating
Everyone
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App support

About the developer
J PREP INC.
it_ml@jprep.jp
2-1-1, SHIBUYA AOYAMA FIRST BLDG. 3F. SHIBUYA-KU, 東京都 150-0002 Japan
+81 50-6861-5155
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